Addition with Regrouping: 69 + 39
Addition with Regrouping Calculator
What is 69 + 39?
Answer
69 + 39 =
108
The sum is longer than the addends: 2 carries — into the tens and the hundreds; the last one makes a new digit
| 1carry | 1carry | ||
| 6 | 9 | ||
| + | 3 | 9 | |
| 1 | 0 | 8 |
Column by column: 69 + 39
- Ones: 9 + 9 = 18 — write 8, carry 1.
- Tens: 6 + 3 + 1 = 10 — write 0, carry 1.
- Hundreds: the carried 1 — write 1.
69 + 39 = 108
Second check: 108 − 69 = 39
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- Subtraction with Regrouping Calculator - Column subtraction step by step, with borrowing across zeros
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- Long Division Calculator - Step-by-step long division with detailed explanation
- Adding Fractions Calculator - Add fractions, mixed numbers and whole numbers step by step
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